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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
      a{
        
          display:block;
          width: 100px;
          height: 100px;
         background-color: red;

      }  
    </style>
</head>
<body>
    <a href="https://www.baidu.com" target="_blank">我是超链接</a>

</body>
</html>